80018091963 has 12 divisors (see below), whose sum is σ = 119310130368. Its totient is φ = 51624575280.

The previous prime is 80018091961. The next prime is 80018091983. The reversal of 80018091963 is 36919081008.

It is not a de Polignac number, because 80018091963 - 2¹ = 80018091961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80018091961) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143401320 + ... + 143401877.

It is an arithmetic number, because the mean of its divisors is an integer number (9942510864).

Almost surely, 2^80018091963 is an apocalyptic number.

80018091963 is a deficient number, since it is larger than the sum of its proper divisors (39292038405).

80018091963 is a wasteful number, since it uses less digits than its factorization.

80018091963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286803234 (or 286803231 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The spelling of 80018091963 in words is "eighty billion, eighteen million, ninety-one thousand, nine hundred sixty-three".